PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9121Cup,tapered Roller Bearing

The Timken Corporation · NSN 3110-00-100-0506 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-0506 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-0506. Primary manufacturer part number: 9121.
Features
  • Cup,tapered Roller Bearing — FSC 3110
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Outside Diameter: 6.0000 INCHES NOMINAL IN
  • Backface Corner Radius: 0.1250 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • 9 verified cross-references
  • Primary manufacturer: The Timken Corporation
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Cup,tapered Roller Bearing, cataloged under National Stock Number 3110-00-100-0506, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is The Timken Corporation. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-100-0506
Primary Part Number9121
Item NameCup,tapered Roller Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusCANCELLED
Standard Tolerance DesignationAFBMA CLASS 2
Outside Diameter6.0000 INCHES NOMINAL IN
Backface Corner Radius0.1250 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3040-00-104-232516514 INTERCHANGEABLE
Worm Shaft
Hoist Liftruck Mfg Inc
5935-00-201-7059 INTERCHANGEABLE
Connector,plug,electrical
5310-00-202-43983050-0681 INTERCHANGEABLE
Washer,flat
Keysight Technologies Inc
4310-00-343-6250 INTERCHANGEABLE
Ring,piston
5930-00-409-548210689632-2 INTERCHANGEABLE
Switch,toggle
Us Army Aviation and Missile Command
5935-00-539-284957A5A15-16 INTERCHANGEABLE
Connector,plug,electrical
Naval Air Warfare Center Aircraft Div
3110-00-548-2268214-040-102-1 INTERCHANGEABLE
Bearing,planetary S
Skf Usa Inc.
5340-00-598-38178198493 INTERCHANGEABLE
Bumper
Us Army Aviation and Missile Command
2520-00-646-9686 INTERCHANGEABLE
Deflector,dirt and Liquid
2930-00-708-677730180DS INTERCHANGEABLE
Pump Assy,water Pum
Brinkley Technology Group Llc Dba Hercules Manufacturing
Cross-Reference Index
Part NumberManufacturer
10035 Clark Material Handling Company (USA)
710035 Clark Equipment Co (USA)
16514 Harbormaster Marine, Inc (USA)
710035 Dana Off Highway Products, Llc (USA)
9121 PRIMARY The Timken Corporation (USA)
9121 Heil Environmental Industries (USA)
30180 Hyster-Yale Group, Inc. (USA)
3994P11 Taylor Machine Works Inc (USA)
9121 Federal-Mogul Corp Government Sales Dept (USA)
Related Parts
3040-00-104-2325INTERCHANGEABLE
WORM SHAFT
16514
5935-00-201-7059INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5310-00-202-4398INTERCHANGEABLE
WASHER,FLAT
3050-0681
4310-00-343-6250INTERCHANGEABLE
RING,PISTON
5930-00-409-5482INTERCHANGEABLE
SWITCH,TOGGLE
10689632-2
5935-00-539-2849INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
57A5A15-16
3110-00-548-2268INTERCHANGEABLE
BEARING,PLANETARY S
214-040-102-1
5340-00-598-3817INTERCHANGEABLE
BUMPER
8198493
2520-00-646-9686INTERCHANGEABLE
DEFLECTOR,DIRT AND LIQUID
2930-00-708-6777INTERCHANGEABLE
PUMP ASSY,WATER PUM
30180DS
5365-00-727-9012INTERCHANGEABLE
SPACER,SLEEVE
5935-00-929-9519INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
400213

Frequently Asked Questions

What is NSN 3110-00-100-0506?

NSN 3110-00-100-0506 is a Cup,tapered Roller Bearing, manufactured by The Timken Corporation, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-100-0506?

NSN 3110-00-100-0506 has 9 cross-referenced part numbers: 10035 (Clark Material Handling Company), 710035 (Clark Equipment Co), 16514 (Harbormaster Marine, Inc), 710035 (Dana Off Highway Products, Llc), 9121 (The Timken Corporation) and 4 more.

What NSN replaces 3110-00-100-0506?

There are 12 known substitutes for 3110-00-100-0506: 3040-00-104-2325, 5935-00-201-7059, 5310-00-202-4398 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9121?

Key specifications for 9121: Special Features: STEEP ANGLE; Standard Tolerance Designation: AFBMA CLASS 2; Outside Diameter: 6.0000 INCHES NOMINAL IN; Overall Width: 1.2500 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-100-0506 still in active supply?

NSN 3110-00-100-0506 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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